HM Digital TDS-3 Handheld TDS Meters

✔️ Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver.
✔️ Perfect for both consumer or commercial use.
✔️ Carry one in your pocket or toolbox at all times!  
✔️ The perfect tool to test to see if your Reverse Osmosis Drinking Water System membrane needs replacement.  
✔️ The videos show how to use a TDS meter to test your membrane and measure total dissolved solids.

Features

✔️ Ideal for commercial use.
✔️ Includes a carrying case with belt clip.
✔️ Highly efficient and accurate due to its advanced microprocessor technology.
✔️ Hold Function: saves measurements for convenient reading and recording.
✔️ Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.
✔️ Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image.
✔️ Built-in digital thermometer
✔️ Display: large and easy-to-read LCD screen.
✔️ Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution.
✔️ Meters can be re-calibrated with a mini-screwdriver.
✔️ Also available in x10' mode: reads in increments only of 10 ppm (0-9990 ppm).
✔️ Click here for a photo of the meter with its case.✔️Need help deciding which meter is right for you, view our TDS/EC Meter Selection Guide.

Specifications

✔️ TDS Range: 0 - 9990 ppm (mg/L)
✔️ Temp. Range: 0 - 80 degrees Celsius
✔️ Resolution: 0-999: 1 ppm; 1000-9990: 10 ppm (indicated by a 'x10' icon)
✔️ Temperature Resolution: 0.1 degree Celsius (Celsius only)
✔️ Accuracy: +/- 2%
✔️ EC-to-TDS Conversion Factor: NaCl (avg. 0.5)
✔️ ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Fahrenheit)
✔️ Power source: 2 x 1.5V button cell batteries (included) (LR44 or equivalent)
✔️ Battery life: 1000 hours of usage
✔️ Dimensions: 15.5 x 3.1 x 2.3cm (6.1 x 1.25 x 1 inches)
✔️ Weight with case: 76.5g (2.7 oz)
✔️ Weight without case: 56.7g (2 oz)

Product Number KIT TDS-3